121459576984 has 8 divisors (see below), whose sum is σ = 227736706860. Its totient is φ = 60729788488.

The previous prime is 121459576981. The next prime is 121459577059. The reversal of 121459576984 is 489675954121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×121459576984² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121459576981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7591223554 + ... + 7591223569.

Almost surely, 2^121459576984 is an apocalyptic number.

It is an amenable number.

121459576984 is a deficient number, since it is larger than the sum of its proper divisors (106277129876).

121459576984 is a wasteful number, since it uses less digits than its factorization.

121459576984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182447129 (or 15182447125 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 61.

The spelling of 121459576984 in words is "one hundred twenty-one billion, four hundred fifty-nine million, five hundred seventy-six thousand, nine hundred eighty-four".